| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 |
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| 4 | shadow copy file operations
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| 5 |
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| 6 | Copyright (C) Andrew Tridgell 2007
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| 7 |
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| 8 | This program is free software; you can redistribute it and/or modify
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| 9 | it under the terms of the GNU General Public License as published by
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| 10 | the Free Software Foundation; either version 3 of the License, or
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| 11 | (at your option) any later version.
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| 12 |
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| 13 | This program is distributed in the hope that it will be useful,
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | GNU General Public License for more details.
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| 17 |
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| 18 | You should have received a copy of the GNU General Public License
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| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 20 | */
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| 21 |
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| 22 | #include "includes.h"
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| 23 | #include "libcli/raw/libcliraw.h"
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| 24 | #include "libcli/raw/raw_proto.h"
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| 25 | #include "libcli/raw/ioctl.h"
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| 26 |
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| 27 | /*
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| 28 | get shadow volume data
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| 29 | */
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| 30 | _PUBLIC_ NTSTATUS smb_raw_shadow_data(struct smbcli_tree *tree,
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| 31 | TALLOC_CTX *mem_ctx, struct smb_shadow_copy *info)
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| 32 | {
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| 33 | union smb_ioctl nt;
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| 34 | NTSTATUS status;
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| 35 | DATA_BLOB blob;
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| 36 | uint32_t dlength;
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| 37 | int i;
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| 38 | uint32_t ofs;
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| 39 |
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| 40 | nt.ntioctl.level = RAW_IOCTL_NTIOCTL;
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| 41 | nt.ntioctl.in.function = FSCTL_GET_SHADOW_COPY_DATA;
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| 42 | nt.ntioctl.in.file.fnum = info->in.file.fnum;
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| 43 | nt.ntioctl.in.fsctl = true;
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| 44 | nt.ntioctl.in.filter = 0;
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| 45 | nt.ntioctl.in.max_data = info->in.max_data;
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| 46 | nt.ntioctl.in.blob = data_blob(NULL, 0);
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| 47 |
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| 48 | status = smb_raw_ioctl(tree, mem_ctx, &nt);
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| 49 | if (!NT_STATUS_IS_OK(status)) {
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| 50 | return status;
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| 51 | }
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| 52 |
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| 53 | blob = nt.ntioctl.out.blob;
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| 54 |
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| 55 | if (blob.length < 12) {
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| 56 | return NT_STATUS_INVALID_NETWORK_RESPONSE;
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| 57 | }
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| 58 |
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| 59 | info->out.num_volumes = IVAL(blob.data, 0);
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| 60 | info->out.num_names = IVAL(blob.data, 4);
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| 61 | dlength = IVAL(blob.data, 8);
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| 62 | if (dlength > blob.length - 12) {
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| 63 | return NT_STATUS_INVALID_NETWORK_RESPONSE;
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| 64 | }
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| 65 |
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| 66 | info->out.names = talloc_array(mem_ctx, const char *, info->out.num_names);
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| 67 | NT_STATUS_HAVE_NO_MEMORY(info->out.names);
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| 68 |
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| 69 | ofs = 12;
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| 70 | for (i=0;i<info->out.num_names;i++) {
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| 71 | size_t len;
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| 72 | len = smbcli_blob_pull_ucs2(info->out.names,
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| 73 | &blob, &info->out.names[i],
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| 74 | blob.data+ofs, -1, STR_TERMINATE);
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| 75 | if (len == 0) {
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| 76 | return NT_STATUS_INVALID_NETWORK_RESPONSE;
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| 77 | }
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| 78 | ofs += len;
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| 79 | }
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| 80 |
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| 81 | return status;
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| 82 | }
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